Error
Error Code:
1221
MySQL Error 1221: Incorrect SQL Usage
Description
MySQL Error 1221 indicates a syntactical problem in your SQL query where two or more elements, clauses, or functions are used together incorrectly or in an incompatible manner. It often points to a misuse of SQL constructs within the same statement, preventing the database from parsing the command.
Error Message
Incorrect usage of %s and %s
Known Causes
3 known causesIncompatible SQL Clauses
Occurs when combining SQL clauses (e.g., GROUP BY, ORDER BY, HAVING) in a way that is syntactically invalid or logically contradictory within a single statement.
Misplaced Keywords or Functions
Arises when an SQL keyword, function, or operator is used in a part of the query where it's not syntactically permitted or logically valid (e.g., aggregate functions in a WHERE clause).
Invalid Operator Combinations
Results from using operators or expressions together in a manner that violates MySQL's syntax rules for combining different parts of a statement, leading to an ambiguous or unsupported operation.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service